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Dr. David W. Reininger, MD
NPI1306846043PAC ID9739125485
- Medicare services, 2024
- 500
- Medicare patients, 2024
- 177
- Part D claims, 2024
- 8,102
- Publications
- 1
- Hospital affiliations
- 1
- Practice address
- 24285 Katy Fwy, Katy, TX 77494
- Practice phone
- Call (346) 387-7171
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Collaborative Geriatrics Inc
Katy, Texas
Find Dr. Reininger's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. David W. Reininger is an internist in Katy, Texas
Dr. Reininger practices at Collaborative Geriatrics Inc in Katy, Texas.
Dr. Reininger's NPI, 1306846043, was assigned on July 22, 2005. Dr. Reininger graduated from UTMB Health in 1978. Dr. Reininger holds Texas license F1931.
NPI and contact details
- NPI
- 1306846043NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739125485
- NPI enumeration date
- July 22, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (346) 387-7171
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 74
- Medical school graduation
- 1978
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David W. Reininger practices at Collaborative Geriatrics Inc in Katy, Texas
Dr. Reininger's primary practice is Collaborative Geriatrics Inc, at 24285 Katy Fwy, Katy, TX 77494 in Fort Bend County. The practice phone is (346) 387-7171.
- Collaborative Geriatrics Inc24285 Katy Fwy, Katy, TX 77494 · Fort Bend CountyPhone(346) 387-7171
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. David W. Reininger is affiliated with 10 sites of care and 2 medical groups
Dr. Reininger's primary practice is Collaborative Geriatrics Inc in Katy, Texas. Dr. Reininger is also affiliated with Memorial Hermann Rehabilitation Hospital-Katy. The medical group on file is Collaborative Geriatrics. Dmand AI also links Dr. Reininger to 5 more skilled nursing facilities, 1 physician office, 1 group practice or clinic, 1 hospice and 1 medical group, each named with a free account.
Collaborative Geriatrics IncPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. David W. Reininger's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Reininger practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Collaborative Geriatrics Inc | Available with a free account |
| +9 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David W. Reininger is one of 8,437 internists in Texas
Internal medicine is Dr. Reininger's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Reininger is board certified in emergency medical services by the American Board of Emergency Medicine. Dr. Reininger is licensed in Texas.
Specialties and state licenses
- Internal medicine, TexasPrimary
Clinical focus
Dmand AI lists acid reflux, alzheimer's disease, anxiety, atrial fibrillation and flutter, cerebrovascular disease, chronic anemia, chronic hypertension and chronic obstructive pulmonary disease (COPD) among the conditions Dr. Reininger treats.
Internists near Dr. Reininger
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. David W. Reininger billed Medicare for 500 services in 2024
CMS data shows 500 Medicare services from Dr. Reininger across 5 procedure codes in 2024, for 177 Medicare patients. Medicare paid $45,015 for them.
Medicare services, 2024500
Medicare patients177
Paid by Medicare$45,015
Procedure codes5
Dr. Reininger's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4582024: 5009%
- Other services
- 2023: 322024: 0100%
Where Dr. Reininger's Medicare services took place, 2024
- In an office48697%
- In a facility143%
Dr. Reininger compared with the Texas median for internists, 2024
- Dr. Reininger
- Texas median
- Medicare services
- 500vs 5397% below
- Medicare patients
- 177vs 1907% below
- Part D claims
- 7,256vs 28925.1 times
Medians across 7,794 internists in Texas with Dmand AI profiles that report each measure.
Dr. Reininger's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Reininger?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Reininger and other internists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David W. Reininger treated 177 Medicare patients in 2024, average age 81
CMS counts 177 Medicare patients who saw Dr. Reininger in 2024. The largest group is 85 and over, with 75 patients. 75% of them have alzheimer's and dementia, and 75% have depression. 73% are also on Medicaid. Their average risk score is 2.75, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Reininger's median patient age at 80, with 59% women.
Medicare patients, 2024177
Average age81
Average risk score2.75
Also on Medicaid73%
Dr. Reininger's Medicare patients by age, 2024
Dr. Reininger's Medicare patients by sex, 2024
- Women12269%
- Men5531%
Chronic conditions among Dr. Reininger's Medicare patients, 2024
- Alzheimer's and dementia75%
- Depression75%
- High blood pressure75%
- High cholesterol75%
- Mood disorders75%
- Anxiety64%
- Arthritis61%
- Diabetes47%
Share of Medicare patients with each condition. A patient can have several.
Dr. Reininger's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 80
Patient panel by sex, all payers
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David W. Reininger wrote 8,102 Medicare Part D claims in 2024
In 2024, Dr. Reininger wrote 8,102 Medicare Part D claims for 276 patients. 87% of them were for generic drugs. CMS names the drug for 7,256 of them, across 140 drugs with 11 or more claims each, at $392,819 in total drug cost. In 2023, CMS named 9,853 claims across 152 drugs.
Part D claims, 20248,102
Drugs named by CMS140
Total drug cost$392,819
Part D patients276
Dr. Reininger's Part D claims by kind of drug, 2024
- Generic7,016 claims87%
- Brand-name and other1,086 claims13%
Dr. Reininger's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Reininger's Part D claims, 2024
- Opioids2%132 of 8,102 claims
- Antibiotics4%354 of 8,102 claims
- Antipsychotics, patients 65 and over2%150 of 8,102 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 9,8532024: 7,25626%
Drugs named by CMS: 140 in 2024, 152 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. David W. Reininger takes part in Medicare
Dr. Reininger accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. David W. Reininger has 1 publication on record
Dmand AI links 1 paper to Dr. Reininger in 2019. Dr. Reininger's most frequent co-author is Christopher Jason Winckler.
Papers1
Dr. Reininger's most frequent co-authors
Recent publications by Dr. Reininger
See who Dr. Reininger researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Reininger works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. David W. Reininger received $8,029 in industry payments from 2016 to 2025
CMS Open Payments shows 599 general payments to Dr. Reininger from 43 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Novo Nordisk Inc paid the most, $1,231.
General payments to Dr. Reininger by program year, 2016 to 2025
General payments to Dr. Reininger by kind, 2016 to 2025
$8Kin total
- Food and beverage$7,98799%
- Education$411%
Companies that paid Dr. Reininger the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David W. Reininger has 1 award and honors on record
Dmand AI lists 1 award for Dr. Reininger, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Reininger
- 2011
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. David W. Reininger graduated from UTMB Health
Dr. Reininger graduated from UTMB Health in 1978. Dr. Reininger is a member of ACP.
- Medical school
- Board certified in emergency medical services
- Board certified in geriatric medicine
- Board certified in hospice and palliative medicine
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. David W. Reininger accepts plans from 21 insurance carriers
Dr. Reininger is in network with 21 carriers, including Elevance, Excellus BlueCross BlueShield and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.
- Elevance
- Excellus BlueCross BlueShield
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Aetna
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- +13 more carriersWith a free account
Plan types Dr. Reininger accepts, by number of carriers
- PPO13
- HMO11
- Medicare10
- POS5
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. David W. Reininger's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. David W. Reininger
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. David W. Reininger's NPI number?
Dr. David W. Reininger's NPI number is 1306846043. It was assigned on July 22, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. David W. Reininger?
Dr. David W. Reininger is an internist in Katy, Texas. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. David W. Reininger practice?
Dr. Reininger practices at 24285 Katy Fwy, Katy, TX 77494. Dr. Reininger's primary practice is Collaborative Geriatrics Inc in Katy, Texas. Dmand AI also links Dr. Reininger to 5 skilled nursing facilities, 1 physician office, 1 group practice or clinic, 1 hospice and 1 medical group.
What is Dr. David W. Reininger's office phone number?
The practice phone on file for Dr. Reininger is (346) 387-7171.
What is Dr. David W. Reininger's medical license number?
Dr. Reininger holds Texas license F1931.
Which hospitals is Dr. David W. Reininger affiliated with?
Dr. Reininger is affiliated with Memorial Hermann Rehabilitation Hospital-Katy.
What medical group is Dr. David W. Reininger part of?
Dr. Reininger is linked to Collaborative Geriatrics. Dmand AI links Dr. Reininger to 1 more medical group.
Does Dr. David W. Reininger accept Medicare?
Yes. CMS data shows Dr. Reininger billed Medicare for 500 services in 2024, and Dr. Reininger accepts Medicare assignment.
How many Medicare patients does Dr. David W. Reininger see?
CMS counts 177 Medicare patients who saw Dr. Reininger in 2024, with an average age of 81.
Is Dr. David W. Reininger board certified?
Yes. Dr. Reininger is board certified in emergency medical services by the American Board of Emergency Medicine.
Show 8 more questionsShow fewer questions
What services does Dr. David W. Reininger bill to Medicare?
In 2024, Dr. Reininger's most billed Medicare services were nursing facility care (99309), nursing facility care (99310) and nursing facility care (99308).
Where did Dr. David W. Reininger go to medical school?
Dr. Reininger graduated from UTMB Health in 1978.
What drugs does Dr. David W. Reininger prescribe most?
In 2024 Medicare Part D data, Dr. Reininger's most prescribed drugs by claims were Levothyroxine Sodium, Amlodipine Besylate and Atorvastatin Calcium.
Has Dr. David W. Reininger received payments from drug or device companies?
CMS Open Payments shows $8,029 in general payments to Dr. Reininger from 43 companies from 2016 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. David W. Reininger been practicing?
Dr. Reininger graduated from medical school in 1978, 48 years ago.
Does Dr. David W. Reininger do research?
Dmand AI links 1 publication to Dr. Reininger.
Who does Dr. David W. Reininger publish with?
Dr. Reininger's most frequent co-authors are Christopher Jason Winckler (1 shared paper).
What insurance does Dr. David W. Reininger accept?
Dr. Reininger is in network with 21 carriers, including Elevance, Excellus BlueCross BlueShield and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.
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